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JAMB Physics 1982 Question 15

Question 15

Density and Upthrust

The accurate measurement of the relative density of substances in powder or granular form can be done using a beam balance and a

  1. A.pipette
  2. B.burette
  3. C.measuring cylinder
  4. D.density bottle
  5. E.eureka can
Show the answer and explanation

Answer: D (density bottle)

Explanation

A density bottle holds a fixed, accurately known volume, so weighing it empty, with the powder, with powder and water, and with water alone gives the relative density of a powder.